When we send out a prefetch request, we act as if the load came
from one of the possibly many documents containing <link> element
for the given URL. The docgroup assigned to this request is
derived from this document. Later, when the load finishes, the
OnStopRequest code runs in a runnable labeled with this
docgroup. OnStopRequest dispatches a load event to *all* the link
elements, including some that might be in different docgroups
from the OnStopRequest runnable. This generates an assertion.
To fix this, I decided to dispatch the load events
asynchronously. I'm hoping the extra round trip through the event
loop shouldn't hurt us too much since I doubt anyone actually
listens for these events.
MozReview-Commit-ID: FTkjuHO7RFp
When we send out a prefetch request, we act as if the load came
from one of the possibly many documents containing <link> element
for the given URL. The docgroup assigned to this request is
derived from this document. Later, when the load finishes, the
OnStopRequest code runs in a runnable labeled with this
docgroup. OnStopRequest dispatches a load event to *all* the link
elements, including some that might be in different docgroups
from the OnStopRequest runnable. This generates an assertion.
To fix this, I decided to dispatch the load events
asynchronously. I'm hoping the extra round trip through the event
loop shouldn't hurt us too much since I doubt anyone actually
listens for these events.
MozReview-Commit-ID: FTkjuHO7RFp
I still don't completely understand why we sometimes need to use the global
and sometimes the node. As far as I understand it:
- Not all event targets are nodes, so the node code can't always be used.
- The nsINode::GetOwnerGlobal implementation uses GetScriptHandlingObject,
which returns null in some cases where GetScopeObject doesn't. Here
is one:
http://searchfox.org/mozilla-central/rev/62db1c9021cfbde9fa5e6e9601de16c21f4c7ce4/dom/base/nsDocument.cpp#4627
MozReview-Commit-ID: DdLWeQJIWZx
Also I found that mBubbles are not initialized in the constructor in
AsyncEventDispatcher.cpp. I initialized those bool member variables
directly.
MozReview-Commit-ID: FiU4NKGJjU9
The bulk of this commit was generated with a script, executed at the top
level of a typical source code checkout. The only non-machine-generated
part was modifying MFBT's moz.build to reflect the new naming.
CLOSED TREE makes big refactorings like this a piece of cake.
# The main substitution.
find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \
xargs perl -p -i -e '
s/nsRefPtr\.h/RefPtr\.h/g; # handle includes
s/nsRefPtr ?</RefPtr</g; # handle declarations and variables
'
# Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h.
perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h
# Handle nsRefPtr.h itself, a couple places that define constructors
# from nsRefPtr, and code generators specially. We do this here, rather
# than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename
# things like nsRefPtrHashtable.
perl -p -i -e 's/nsRefPtr/RefPtr/g' \
mfbt/nsRefPtr.h \
xpcom/glue/nsCOMPtr.h \
xpcom/base/OwningNonNull.h \
ipc/ipdl/ipdl/lower.py \
ipc/ipdl/ipdl/builtin.py \
dom/bindings/Codegen.py \
python/lldbutils/lldbutils/utils.py
# In our indiscriminate substitution above, we renamed
# nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up.
find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \
xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g'
if [ -d .git ]; then
git mv mfbt/nsRefPtr.h mfbt/RefPtr.h
else
hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h
fi
This patch renames DispatchChromeOnly flag to OnlyChromeDispatch. With
this patch, if OnlyChromeDispatch flag is set, and the target is already
a chrome node, the dispatch path will start from the target. Previously,
even if the target is a chrome node, the dispatch path starts from the
parent target of the owner window of the current node.
